CASTLE Roundup: Seamus Dever and Jon Huertas Tease ‘3XK’; Nathaniel Marston to Guest Star

CASTLE fans, tonight’s episode is good.

“3XK” introduces us to a serial killer — nicknamed, you guessed it, 3XK — who might be the toughest foe Castle and Beckett have faced to date.

There is only so much I can say without totally spoiling the hour, so I asked CASTLE stars Jon Huertas and Seamus Dever to tease what fans can expect…

[youtube]http://www.youtube.com/watch?v=HfIw7hZvZww[/youtube]

Also, when I was on the set last week, I spotted former ONE LIFE TO LIVE star Nathaniel Marston (Al/Michael) and ABC has confirmed that he’ll be playing a character named Grant Vyro in the upcoming episode, “Last Call.”

According to a show rep, Grant is a “Brooklyn tough guy who could just as easily have ended up in the mob, but instead chose to become a dock worker (albeit, by cheating the union).”

Awesome, right?

Make sure to come back to Give Me My Remote after “3XK” airs this evening, because we’ll have much to discuss…

Related:

CASTLE: Nathan Fillion, Jon Huertas and Seamus Dever Dish on Season 3
Exclusive First Look: ‘Do the CASTLE’ Promo
CASTLE’s Seamus Dever Teases a Ryan-Centric Episode, ’3XK’ and a Hookup

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